Sekure Decrypt: reverse the validation logic, model the transform, and recover the accepted input.
rev
Htb
373 postsrev
Shuffleme
Shuffleme: trace the binary, isolate the validation routine, and invert it to recover the flag.
rev
Snakecode
Snakecode: reverse the validation logic, model the transform, and recover the accepted input.
rev
Tear Or Dear
Tear Or Dear: decompile the .NET logic, rebuild the check, and recover the accepted input.
rev
The Art of Reversing
The Art of Reversing: decompile the .NET logic, rebuild the check, and recover the accepted input.
rev
You Cant C Me
You Cant C Me: reverse the validation logic, model the transform, and recover the accepted input.
crypto
AHS512
AHS512: reconstruct the PRNG state from the leak, replay it, and recover the flag.
crypto
Arranged
Arranged: abuse the AES misuse, derive the missing key material, and decrypt the flag.
crypto
baby quick maffs
baby quick maffs: model the crypto leak, recover the missing secret, and decrypt the flag.
crypto
Bank-er-smith
Bank-er-smith: exploit the RSA structure, recover the missing secret, and decrypt the flag.
ai
Battle in OrlOn
Battle in OrlOn: shape the prompt path, bypass the model guard, and recover the target output.
crypto
BBGun06
BBGun06: exploit the RSA structure, recover the missing secret, and decrypt the flag.
crypto
Bloom Bloom
Bloom Bloom: abuse the AES misuse, derive the missing key material, and decrypt the flag.
crypto
Brainy's Chyper
Brainy's Chyper: exploit the RSA structure, recover the missing secret, and decrypt the flag.
crypto
Classic, yet complicated!
Classic, yet complicated: recover the Vigenere key from the ciphertext, decrypt the message, and verify the flag.
ai
Death's Glance
Death's Glance: shape the prompt path, bypass the model guard, and recover the target output.
crypto
ElElGamal
ElElGamal: use the curve leak or invalid-curve path to recover the secret and decrypt the flag.
crypto
Fast Carmichael
Fast Carmichael: use the curve leak or invalid-curve path to recover the secret and decrypt the flag.
crypto
How The Columns Have Turned
How The Columns Have Turned: model the crypto leak, recover the missing secret, and decrypt the flag.
crypto
I know Mag1k
I know Mag1k: derive the XOR key stream, invert the transform, and recover the flag.
crypto
I'm gRoot
I'm gRoot: reduce the hash constraint to a small search, test candidates, and recover the flag.
crypto
Iced Tea
Iced Tea: abuse the AES misuse, derive the missing key material, and decrypt the flag.
ai
Sigma Technology
Sigma Technology: shape the prompt path, bypass the model guard, and recover the target output.
web
Under Construction
Under Construction: exploit the SQL injection, extract the needed data, and reach the flag.
weblocked
CDNio
web
Jailbreak
Jailbreak: identify the broken request handling, prove control, and use it to recover the flag.
pwnlocked
Under the web
revlocked